けいかいせん
Meanings
Noun
1. warning line; police cordon
Pitch accent
いかいせん
Composed of
vigilance; caution; alertness; precaution; being on guard
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (1 in total)
Distant Early Warning Line (US, Canada); DEW Line